Home / 26,904.96-40,331.52-8,432.64

Finding the Fourth Proportional to 26,904.96, 40,331.52 and 8,432.64

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Solution

The fourth proportional to 26,904.96, 40,331.52 and 8,432.64 is: 12,640.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,904.96 : 40,331.52 = 8,432.64 : x
  2. Step 2: Convert to fraction form
    26,904.96/40,331.52 = 8,432.64/x
  3. Step 3: Cross multiply
    26,904.96x = 40,331.52 × 8,432.64
  4. Step 4: Simplify right side
    26,904.96x = 340,101,188.81
  5. Step 5: Solve for x
    x = 340,101,188.81/26,904.96
  6. Step 6: Final answer
    x = 12,640.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.